Company disclosed in March that an internal investigation had uncovered accounting issues

Marvell Technology Group Ltd. directors fired the husband-and-wife management team that founded and led the chip maker for two decades, responding to a series of reverses including accounting issues that prompted investigations by the company’s board and government agencies.

The termination of Chief Executive Sehat Sutardja and President Weili Dai, announced in a company filing Tuesday, comes one month after an investigation by a board audit committee identified “tone at the top” problems, including significant management...